Hi Andred,
On 09/04/18 08:51, Andre Kalb wrote:
> To prevent warning "kernfs: can not remove '(null)', no directory" if an overlay isn't applied to the active devicetree.
>
> Using of_remove_property and then of_add_property doesn't show the warning.
>
> Signed-off-by: Andre Kalb <Andre.Kalb@xxxxxx>
> ---
> Changes in v2:
> - Fix typo
>
> drivers/of/kobj.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c index 7a0a18980b98..962b660e8ad1 100644
> --- a/drivers/of/kobj.c
> +++ b/drivers/of/kobj.c
> @@ -104,7 +104,7 @@ void __of_update_property_sysfs(struct device_node *np, struct property *newprop
> struct property *oldprop)
> {
> /* At early boot, bail out and defer setup to of_init() */
> - if (!of_kset)
> + if (!of_kset || !of_node_is_attached(np))
> return;
>
> if (oldprop)
> --
> 2.17.1
>
>
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What is the calling path that results in the warning?
-Frank
